甲醛

Property:The product is a kind of colourless to light-yellow viscid fluid or white wax solid.It can dissolve in organic reagent like water,alcohol etc.It gives off methanal upon heating.so it is a good methanal donator,and is used in conperation of RS、RH and RE to get a good adhensive result.

性状：无色至微黄色粘稠液体或白色蜡状固体，能溶于水和一般有机溶剂，加热能释放出甲醛，是一种良好甲醛给予体，与RS、RH、RE配合使用，能起到良好的粘合效果。

The experiment gains reaction parameters of methylal from formaldehyde and methanol,it also found a mathematical model for continuous production process.

通过实验取得了甲醛和甲醇合成甲缩醛的反应参数；建立了其连续生产工艺的数学模型，利用ASPEN PLUS软件对甲醛和甲醇缩合生成甲缩醛进行了模拟，结果表明反应精馏连续生产甲缩醛的工艺是可行的，转化率高达99%，并得到含甲缩醛99%的产物，同时确定了进料板和反应区。

Objective To study the effects of formaldehyde on the lipid peroxidation and antioxidase in mouse brain tissues to explore the neurotoxic action of formaldehyde and its mechanism.

目的：通过观察甲醛对小鼠脑组织脂质过氧化及抗氧化酶的影响，探讨甲醛对小鼠的神经毒性及作用机理。

Objective To study the effects of formaldehyde inhalation on spatial learning abilities and hippocampal neurotransmitters levels of mice, and to explore the neurotoxic mechanism.

目的 探讨甲醛对小鼠学习记忆的影响，并通过测定单胺类神经递质及氨基酸类神经递质含量的变化初步探讨甲醛对学习记忆影响的机制。

The thermoplastic phenolic resin for the production of coated sand was synthesized by replacing 37% formaldehyd aqueous solution with paraformaldehyde.

采用多聚甲醛替代37%的甲醛水溶液，可以合成用于覆膜砂生产的热塑性酚醛树脂。

In addition, the pendent urea may be useful as a reactant for formaldehyde to reduce emissions of formaldehyde.

另外，下垂尿素也许是有用作为甲醛的反应剂能减少甲醛放射。

In the rotation diagram of polytrioxane obtained by γ-irradiation of trioxane there appear some new diffraction spots in addition to that for ordinary polyoxymethylene.

在辐照聚合制得的聚三聚甲醛的迴转图上，除出现普通聚甲醛的衍射点外，还存在着一些新的衍射斑点。

The kinetics and mechanism of thermooxidative degradation of polyoxymethylene, and the effects of temperatures on the initial degradation rate and life time of POM, were studied in air by isothermal TG and FTIR analysis of the residue.

通过等温热失重和残留物红外光谱研究了聚甲醛在空气条件下的热氧降解动力学及机理，讨论了温度对聚甲醛初始降解速率以及热老化寿命的影响。

High molecular weight polyoxymethylene was obtained from trioxane crystal by solid state polymerization with γ-irradiation from Co80 source.

用Co~(60)γ射线辐照三聚甲醛晶体固相聚合得到高分子量的聚甲醛。

Polyoxymethylene with wry high degree of erystallinity cain be obtained by γ-irradiation of trioxane single crystals with Co60 source.

三聚甲醛单晶经Co60γ射线辐照可以得到一种结晶度很高的聚三聚甲醛。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。